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Electric Power Methane LNG Gas Generating Set (China) for Domsetic
  • Electric Power Methane LNG Gas Generating Set (China) for Domsetic
  • Electric Power Methane LNG Gas Generating Set (China) for Domsetic
  • Electric Power Methane LNG Gas Generating Set (China) for Domsetic
  • Electric Power Methane LNG Gas Generating Set (China) for Domsetic
  • Electric Power Methane LNG Gas Generating Set (China) for Domsetic
  • Electric Power Methane LNG Gas Generating Set (China) for Domsetic
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Basic Info

Model No.:  BSTG

Product Description Model NO.: BSTG Certification: CE Standard: Standard Rated Power: 120kw Rated Volatge: 400/380/230/220 Rated Speed: 1500rpm Cooling Model: Air/Water Cooled Engine Model: Open Tyoe Transport Package: Plywood Case Origin: Weifang Gas Source: Natural Gas Power: 10kw--5MW Performance Grade: G2 Rated Current: 216A Rated Frequency: 50Hz/60Hz Start Model: DC24V Electrical Engine Type: 4 Stroke Engine Trademark: BST Specification: 2400*720*1500 HS Code: 8501330000 electric power Methane LNG Gas Generating set(china) for Domsetic
10KW--5MW Nature Gas Generator set with LNG LPG CNG 
Charter1:Essential Information
1.1. Generator Set Parameter
 
Model: SC6C133G
Performance Grade: G2
Rated Power: 120KW
Rated Current: 216A
Rated Voltage: 400V
Rated Frequency: 50HZ
Rated Speed: 1500r/min
The Factor of Rated Power: 0.8(lag)
Phase: 3Phase, 4line
The regulating rate of steady voltage: ≤±1%
The regulating rate of instantaneous voltage: ≤±20%
The regulating rate of steady frequency ≤1%
The regulating rate of instantaneous frequency: -10%~+12%
The time of steady voltage: ≤1s
The Recovery Time of Frequency: ≤5s
Usage Condition: Temp. -12~45ºC, altitude ≤2200m
 
1.2. Engine Parameter
 
Model: SC6CTAA8.3
Type: Line, 6-cylinder, 4-stroke
Air Intake: Turbocharged, AA-inner-cooling
Bore*Stroke: 114mm*135mm
Compression Ratio: 10.5:1
Dis.: 8.3L
Rated Power: 133KW
Speed: 1500r/min
The regulation of rotating speed E-Speed
Start Method: DC24V Electric start
 
1.3. Alternator
Code: STFI 120-1-4
Type: Three-phase, four-wire, Brushless Exciter
Rated power: 120KW
Rated voltage: 400V(AC)
Frequency: 50HZ
Insulation class:  Class H
Protection class: IP23
cooling method: Air-cooled, self-cooling
 
1.4. Control System:
Electronic throttle Bosch
Air inlet temperature pressure sensor Bosch
Crankshaft position sensor Bosch
Wide range oxygen sensor Bosch
ignition coil IC-SP
RC pressure regulator MADAS
Proportional mixer IMPCO
 
1.5.Fuel:
 
 
Chapter2 Design Philosophy/Configuration
 
2.1 Design Philosophy
The generating set is a power generation device with the gas fuel as the power source, and the thermal power is converted into electric energy by the ignition engine. Equip cooling system, lubricating system, fuel supplying system, control system, power output, parallel, common base. Able to work with low pressure, high pressure gas and liquid fuel.
Connect the gas engine to the alternator with flange and install on the welded common base. Set shock mitigation system to eliminate the vibration when running.
Unit control system group use the control module DEEPSEA or ZONGZHI Generator set and set on the common base.
Set the gas valve integration group on the common base, include Manual cut-off valve, pressure gauge, filter, pressure regulating valve, safety electromagnetic cut-off valve, flame blocking device.
Gas engine: using cummins 6CT Diesel Engine as base machine, high energy sequential ignition, Gas specific debugger, all parts of control system are from the well-known brand in the word.
Alternator: jiangsu lingyu self excitation brushless AC synchronous generator
 
2.2 Configuration
Configuration Optional
Nature Gas Engine,)Alternator(Stamford),Control Panel(7320 Controller),Radiator(Cu),common base (Optional 1 or 2) , Safety fuel valve group
accumulator,ATS,ATS switch (Schneider)
1, Chassis open type
2, Chassis Silent type
Exhaust pipe connecting hose *1  
Exhaust pipe connecting elbow *1  
Industrial grade muffler *1  
 
2.3.Running Requirement
gas pipe inlet pressure kPa ≥15kpa
 
methane volume content
 
≥70
 
Heat Value MJ/Nm 3
 
≥34.09
 
H2S concentration mg/Nm3
 
≤150-200
 
NH3 Concentration mg/Nm3
 
≤20
 
Impurity particle Concentration mg/Nm3
 
≤30
 
Impurity particle size μm
 
≤5
 
Water Concentration g/Nm ≤40g/Nm 3 , No free water
 
2.4. Formation of Mixed Gas
 
Air will be filtered from the dry type filter of engine.
pressure regulating valve evenly supply gas and mix via proportional mixer.
Exhaust gas turbocharger compress mixed gas to improve the engine charging efficiency.
using oil cooling or water cooling double cooling booster to ensure booster regular works.
inner cooling system
using air to air or water to air inner cooling to reduce the mixed gas temperature, increase the density and improve the engine efficiency.
 
2.5. Engine Ignition Management System
 
After the control system of the muti-point sequential ignition engine collects the position signal of the camshaft, it controls the ignition coil to fire in sequence
DC24V
The ignition time and ignition energy can be accurate via programming the Map
Equip high energy ignition coil for each cylinder
Self-learn Function: ECW will self-correct the running parameter via temperature sensor, pressure sensor and throttle position signal.
Industrial grade spark plug, high voltage wire
Work Temp. :-20°to 85°
Exhaust System
Dry Type,Heat insulated exhaust manifold
Industrial grade muffler
Exhaust shock proof corrugated pipe
 
2.6. Lubricating System
Forced lubricgtion by Lube oil circulation pump with safety valve, and splash lubrication.
Lube oil heater (Optional)
Cummins fleetguard filter
The brand of lube oil: Special lube oil for Cummins Nature Gas Gensets(Recommendation)
 
 
Chapter3:Generator set monitoring system
 
Use Deep-sea Controller(7320)to control generator set data,details as follows:
24 VDC
IP44 Dustproof
Dust-proof, water-proof metal enclosure
Remote Control Interface
Automatic start / stop control switch
Set input, output, alarm and time
Automatic emergency stop fault status and fault display
Digital control inputs, relay control output
LCD Display
Engine speed
Engine running time
Total generating capacity
Oil Pressure
Cooling water temperature
Battery voltage
L-L volts generator set three-phase Phase voltage and line voltage
Generator set three phase current
Generator set frequency
Power Factor
Alarm protection
Low oil pressure, low oil level
High coolant temperature, low coolant level
Charging fault
over Speed / under speed, over voltage / under voltage, over current / under current, overload, ground fault
Failed to start
Emergency Shutdown
Emergency stop
Speed signal loss
program protection delay function
High and low voltage
High and low frequency
Overcurrent
Reverse power
Scalable functionality
ATS automatic conversion system
Scalable GPRS function, SMS notification unit status
Automatic float charging, the battery protection
Fuel Leak Detection
Remote monitoring
 
Chapter 4:Technology data design/operating
 
4.1 Coolant filling volume
Engine coolant filling volume(L) 12.3
Standard thermostat to adjust the temperature
(°C )
 
83-95
The maximum temperature of engine coolant
(°C)
 
105
Coolant Type 50% of demineralized water, 50% antifreeze (ethylene glycol antifreeze concentration between 40% -68%)
 
4.2 Oil filling volume
Lubricant minimum filling capacity(Sump+ Oil Filter) (L) 23.8
Oil pressure during normal operation(Idling) kPa >103
Oil pressure during normal operation (Rated speed)( kPa) 276-414
Oil temperature(Sump) (°C) 121
Oil Class (Ambient temperatures >-5°C Ambient temperatures<-5°C)
 
 15W-40 CH4 10W-30 CH4

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